1.安裝libevent

參考：http://blog.csdn.net/unix21/article/details/8679269

libevent安裝在usr/local/libevent下

2.安裝netBeans

http://www.netbeans.org

3.配置netBeans

1)打開項目的屬性選項，選擇包含目錄，把/usr//local/libevent/include目錄加進來

2) 鏈接器，在【其他庫目錄】把libevent的lib目錄加上，在【庫】中把要鏈接的庫文件設為libevent/lib中的libevent.so即可。

3)運行程序

4）調試程序

可以跳入到libevent的代碼下

5) 程序：

#include <cstdlib>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <event2/event.h>
#include <event2/event_struct.h>
#include <unistd.h>using namespace std;#define N 300#define BUFLEN 256struct timeval lasttime;struct ST_EventWithDescription
{struct event *p_event;int time_interval;char lable[BUFLEN];
};static void timeout_cb(evutil_socket_t fd, short event, void *arg)
{struct timeval newtime, difference;struct ST_EventWithDescription *pSTEvent = (ST_EventWithDescription*)arg;struct event *timeout = pSTEvent->p_event;double elapsed;evutil_gettimeofday(&newtime, NULL);evutil_timersub(&newtime, &lasttime, &difference);elapsed = difference.tv_sec + (difference.tv_usec / 1.0e6);printf("%s called at %d: %.3f seconds since my last work.\n",(char*)pSTEvent->lable,(int)newtime.tv_sec, elapsed);lasttime = newtime;struct timeval tv;evutil_timerclear(&tv);tv.tv_sec = pSTEvent->time_interval;event_add(timeout, &tv);
}void setParam(struct ST_EventWithDescription *stEventDescription,struct event *m_event,int time_interval,char* m_lable)
{stEventDescription->p_event = m_event;stEventDescription->time_interval = time_interval;memset(stEventDescription->lable,0,sizeof(stEventDescription->lable));memcpy(stEventDescription->lable,m_lable,strlen(m_lable)+1);
}void setTimeIntervalArr(int *arr,int n)
{int i;srand(time(NULL));for(i=0; i<n; ++i){*(arr+i) = rand()%n + 1;//*(arr+i) = i+1;}
}int main(int argc, char** argv) {struct event timeout[N];struct ST_EventWithDescription stEvent[N];int time_interval[N];int i=0;struct timeval tv;struct event_base *base;int flags = 0;setTimeIntervalArr(time_interval,N);base = event_base_new();evutil_timerclear(&tv);for(i=0; i<N; ++i){char buf[BUFLEN]= {0};sprintf(buf,"task%d",i+1);setParam(stEvent+i,timeout+i,time_interval[i],buf);event_assign(timeout+i, base, -1, flags, timeout_cb, (void*)(stEvent+i));event_add(timeout+i, &tv);}evutil_gettimeofday(&lasttime, NULL);event_base_dispatch(base);return 0;
}

4.說明

如果是C語言選對應選項即可

原文參考：http://hi.baidu.com/492943457/item/ca73933c34698e27b3c0c528

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